Tag Archives: Tunnel

Tunnel lighting requirements differ from road lighting in that they must address sudden changes in brightness over critical lengths, while road lighting mainly focuses on night visibility. In the majority of tunnels, the natural penetration of light does not allow satisfactory visibility for users. It is therefore necessary to install artificial lighting to improve visibility and comfort. The International Commission ...

Owing to the subduction phenomenon, tunnel construction in the Himalayan region is probably the most challenging construction activity in the field of civil engineering. Sela Tunnel Project is undeniably the most complex and difficult project being taken up in the nation today. Once completed the tunnel will offer the world the longest bi-lane tunnel at an altitude above 13,000ft; another ...

The recently opened Chenani and Nashri tunnel will reduce the distance from 41kms to 10kms and thus save time by about two hours as well as fuel saving to the tune of Rs 27 lakh per day. The tunnel was thrown open for vehicular movement with its formal inauguration by Prime Minister Narendra Modi on April 2, is India’s largest ...

The Delhi Metro has been planned to serve Delhi and its satellite cities of Faridabad, Gurgaon, Noida and Ghaziabad in National Capital Region in India. Delhi Metro is the world’s 12th largest metro system in terms of both length and number of stations. The network consists of five regular lines and a faster Airport Express line, with a total length ...

Lining and excavation work on the 580-meter long second tunnel at Anik on the Eastern Freeway in Mumbai is progressing fast and is expected to be completed by this December. After this the 4-lane tunnel will be provided with a drainage system, road surfacing, electrification and ventilation. The other tunnel at Anik was opened for traffic along with the inauguration ...

The foundation stone was recently laid for the construction of a 6.5km long tunnel along National Highway1 (NH1) which connects Leh and Srinagar. The tunnel, which gets its name from a Z formation along its path, will help motorists to avoid harsh conditions such as snowfall and avalanches which currently force the closure of roads to vehicular traffic for about ...